Modular adjustable tactical firearm system



FIG. 1 illustrates a perspective, side view of a new design for a modular, adjustable tactical firearm system depicting a modular, extendable folding buttstock; a modular truss-type forend; and a modular lower receiver;

FIG. 2 illustrates a cross-sectional view of a new design for a modular, adjustable tactical firearm system depicting a modular, extendable folding buttstock; a modular truss-type forend; and a modular lower receiver;

FIG. 3 illustrates a cross-sectional view of a new design for a modular, adjustable tactical firearm system depicting a modular, extendable folding buttstock; a modular truss-type forend; and a modular lower receiver;

FIG. 4 illustrates a side view of a new design for a modular, adjustable tactical firearm system depicting a modular, extendable folding buttstock; a modular truss-type forend; and a modular lower receiver;

FIG. 5 illustrates a side view of a new design for a modular, adjustable tactical firearm system depicting a modular, extendable folding buttstock; a modular truss-type forend; and a modular lower receiver;

FIG. 6 illustrates a top view of a new design for a modular, adjustable tactical firearm system depicting a modular, extendable folding buttstock; a modular truss-type forend; and a modular lower receiver;

FIG. 7 illustrates a bottom view of a new design for a modular, adjustable tactical firearm system depicting a modular, extendable folding buttstock; a modular truss-type forend; and a modular lower receiver; and,

FIG. 8 illustrates an exploded, perspective, side view of a new design for a modular, adjustable tactical firearm system depicting a modular, extendable folding buttstock; a modular truss-type forend; and a modular lower receiver.

The broken, dashed lines shown in the various figures depicting embodiments of the invention are included for the purpose of illustrating environment and do not form any part of the claimed design. 

The ornamental design for a modular, adjustable tactical firearm system, as shown and described. 